Base | Representation |
---|---|
bin | 1000111111010110100… |
… | …0111010110111001110 |
3 | 112202122112111220202110 |
4 | 2033311220322313032 |
5 | 10012300410001032 |
6 | 154541232204450 |
7 | 14105201561226 |
oct | 2176550726716 |
9 | 482575456673 |
10 | 154445000142 |
11 | 5a5551a3594 |
12 | 25b23399726 |
13 | 11744439b64 |
14 | 7691c61086 |
15 | 403de567cc |
hex | 23f5a3adce |
154445000142 has 64 divisors (see below), whose sum is σ = 326193315840. Its totient is φ = 48615487200.
The previous prime is 154445000137. The next prime is 154445000147. The reversal of 154445000142 is 241000544451.
It is an interprime number because it is at equal distance from previous prime (154445000137) and next prime (154445000147).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154445000147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84349167 + ... + 84350997.
It is an arithmetic number, because the mean of its divisors is an integer number (5096770560).
Almost surely, 2154445000142 is an apocalyptic number.
154445000142 is an abundant number, since it is smaller than the sum of its proper divisors (171748315698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154445000142 is a wasteful number, since it uses less digits than its factorization.
154445000142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3829.
The product of its (nonzero) digits is 12800, while the sum is 30.
Adding to 154445000142 its reverse (241000544451), we get a palindrome (395445544593).
The spelling of 154445000142 in words is "one hundred fifty-four billion, four hundred forty-five million, one hundred forty-two", and thus it is an aban number.
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